69903974144 has 36 divisors (see below), whose sum is σ = 140113992480. Its totient is φ = 34806927360.

The previous prime is 69903974123. The next prime is 69903974149. The reversal of 69903974144 is 44147930996.

It is a happy number.

It is a super-2 number, since 2×69903974144² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 69903974144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69903974149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504824 + ... + 628215.

Almost surely, 2^69903974144 is an apocalyptic number.

69903974144 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

69903974144 is an abundant number, since it is smaller than the sum of its proper divisors (70210018336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69903974144 is a wasteful number, since it uses less digits than its factorization.

69903974144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133296 (or 1133282 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 56.

The spelling of 69903974144 in words is "sixty-nine billion, nine hundred three million, nine hundred seventy-four thousand, one hundred forty-four".